import 'package:flutter/material.dart';

import 'res/listData.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text('Flutter Demo')
        ),
        //body内容多抽离出去
        body: HomeContent()
      )
    );
  }
  
}

//body
class HomeContent extends StatelessWidget {

  //自定义方法
  Widget _getListData(context, index) {
    return ListTile( 
      leading: Image.network(listData[index]['imageUrl']),
      title: Text(listData[index]['title']),
      subtitle: Text(listData[index]['author'])
    );
  }

  @override
  Widget build(BuildContext context) {
    return ListView.builder(
      itemCount: listData.length,
      itemBuilder: this._getListData
    );
  }
  
}